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This section provides an overview for anechoic chambers as well as their applications and principles. Also, please take a look at the list of 29 anechoic chamber manufacturers and their company rankings. Here are the top-ranked anechoic chamber companies as of December, 2024: 1.Frankonia Germany EMC Solutions GmbH, 2.Castle Microwave Limited, 3.IAC Acoustics.
Table of Contents
Anechoic chamber is a room designed to block out external sound waves (soundproofing) and prevent sound from reflecting within the room (sound absorption). It is used for measuring noise from automotive parts, household appliances, and other sources with noise meters and analyzers.
- ISO3741: Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for reverberation test rooms
- ISO3744: Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane
- ISO3745: Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for anechoic rooms and hemi-anechoic rooms
- ISO362-1, 2, 3: Acoustics - Engineering method for measurement of noise emitted by accelerating road vehicles…
- ISO13325: Tyres - Coast-by methods for measurement of tyre-to-road sound emission
- ISO26101-1: Acoustics - Test methods for the qualification of the acoustic environment
- ISO11201: Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a workstation and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections
- etc…
[Anechoic chambers used for each purpose]
1 Anechoic chambers for acoustical measurements
2 Anechoic chambers for electromagnetic compatibility (EMC), electromagnetic interference (EMI) and RF testing
[Differences in each shape and DUT (device under test)]
1 Fully anechoic chamber: sound absorption layer on six faces (floor, walls and ceiling) often used to measure consumer electronics and compact driving components.
2 Semi-anechoic chamber: sound absorption layer on 5 faces (walls and ceiling) often used to measure DUT to be placed on the ground such as automobile
Depending on the measurement purpose, anechoic chambers may be referred as followings:
- VSAC: Vehicle Semi-Anechoic Chambers
- EAAC: Electroacoustic Anechoic Chambers
- SPAC: Sound Power Anechoic Chambers
*Including some distributors, etc.
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ACS-Affiliated Construction Services Inc., founded in 1994 and headquartered in Verona, Wisconsin, United States, is a designer and manufacturer of industrial equipment and machines. The company's product portfolio includes processing machines, controls, and data acquisition systems. It also provides full automation solutions, including software and hardware for processing, primarily for automotive, energy, and manufacturing sectors. The company's services include the construction of facilities, industrial testing solutions, and the supply of spare parts.
IAC Acoustics, established in 1949 and headquartered in Illinois, United States, is a manufacturer and supplier specializing in metal noise control solutions. The company’s portfolio caters to industrial, architectural, and medical applications. Their industrial solutions include in-plant and outdoor enclosures, noise barriers, and anechoic chambers. Architectural solutions include secure facilities, acoustical doors, windows, and music practice rooms. Their medical solutions include audiology booths and test chambers. IAC Acoustics provides noise control products and acoustic systems locally and internationally to clients across various industries.
Raymond EMC, started in 1987 and headquartered in Ottawa, Canada, is a manufacturer of shielded enclosures and anechoic chambers and is a Canadian Industrial TEMPEST Program-compliant vendor. The company serves high-tech, military, and aerospace facilities with reverb chambers, discussion facilities, and anechoic chambers. It also stocks chamber accessories such as bulkhead panels, pipe penetration waveguides, and air vents. The company also sells Eurotempest IT products, such as computers, to qualified government and defense customers. Its QuietDoors retain the specified RF shielding and performance for two years and are designed to latch smoothly due to low frictional forces.
eNoise Control, established in 1998 and headquartered in Noblesville, IN, USA, is a manufacturer and supplier of noise control products and consulting services. The company provides noise control solutions for industrial, commercial, and community clients across North America. Its products include sound blankets, acoustical panels, and sound baffles, suitable for air compressors, clean rooms, and construction sites. It specializes in providing acoustically tested doors and windows tailored for music studios. The company provides acoustical consulting services, including sound surveys and expert witness testimony.
Shiv Power Corporation, founded in 1997 and headquartered in Gautam Buddha Nagar, Uttar Pradesh, India, is a manufacturer and distributor of power backup systems and acoustic enclosures. The company's main products include generator sets, sound-proof canopies for generators, and diesel tanks. It also offers a secondary line of solar products that includes solar panels and photovoltaic system components. These products are used to provide emergency power for commercial and industrial facilities during blackouts. The company primarily serves direct clients and offers quotes that include shipping fees.
ACMAS Technologies Pvt. Ltd., headquartered in New Delhi, India, is a manufacturer and supplier of scientific, laboratory, and testing equipment. Its extensive product range includes spectrometers for chemical analysis, crucible furnaces for melting and heating, oscilloscopes for waveform visualization, data loggers for data recording, and an array of laboratory equipment like centrifuges, ovens, and balances which are utilized in academic, biotechnology, chemical, electronics, and food and beverage sectors. Apart from its regular equipment, customized scientific equipment as per the requirements and specifications provided are also available.
Kapolnek Acoustics India, established in 2012 and headquartered in Haryana, India, is a manufacturer of noise control equipment and vibration control materials. The company offers attenuation doors with HF screening, noise protection enclosures for production machines, and acoustic doors and windows. Its products include multipurpose acoustic test stands, vibration control materials and equipment, and reverberation rooms and chambers. These products serve cinema halls, music studios, and audition halls, ensuring optimal sound and vibration control.
Ecotone Systems, located in Greater Noida, India, is a manufacturer of radio frequency and green building solutions. Its array of acoustical products, including RF shielded chambers, anechoic chambers, EMI and EMC chambers, along with customized absorbers, are utilized to support testing, development, and functionality of electronic systems in environments where managing electromagnetic interference is crucial. The company offers a diverse range of absorbers, tailored to specific needs with varying thicknesses and absorbencies. All products comply with international standards, and its RF absorbers are specifically tested as per NRL 8093 requirement
Holland Shielding Systems BV, established in 1985 in The Netherlands, started as a manufacturer of electronic components and now produces a wide range of frequency and electrical shielding systems. The company's products include PCB shielding cans, farraday cages, frame gaskets used for farraday-integrated tents, EMI displays, mesh foils to shield against magnetic, low-frequency radio waves, microwave radiation, and equipment used in earthing against high-voltage dangers. Their products are used by the FCC to prevent electromagnetic interference and customize facility shielding systems to protect against eavesdropping.
ETS-Lindgren and ESCO Technologies Company, established in 1995 and headquartered in Cedar Park, Texas, United States, is a wireless, EMC, and acoustic test and measurement equipment manufacturer and supplier. The company's numerous products include RF power amplifiers, 5G antenna measurement chamber systems, and precision multi-axis positioners (MAPS). It also provides various monitoring and testing software suites, tabletop test enclosures, and various testing antennas. These products are used in testing systems for electromagnetic interference and shielding solutions for medical MRI scanners, among others.
Sonea Latechnology, founded in 2003, and based in Setagaya-ku, Tokyo, is a manufacturer and supplier of specialized acoustic equipment. The company's product range includes assembled anechoic rooms, assembled semi-anechoic rooms, anechoic boxes, soundproof chambers, and soundproof covers. These products are essential for precise acoustic measurements in various settings, from R&D environments in automobile and electronics industries to smaller components' noise assessment. They serve sectors such as automotive manufacturing, electronics, acoustic research, and machinery production. The company also offers design consultation, soundproof chamber construction, and soundproof cover production.
Frankonia specialzes in equipment used to test for radio wave emissions for antennas, the automotive industry and the military. Frankonia makes equipment used to create a chamber for the tests to be carried out such as wall panals and chambers. They also provide the equipment required for the testing. Founded in 1987 Frankonia is the industry leader in electromagnetic compatibility solutions. Based in Bavaria, Germany Frankonia offer a wide range of services from consulting, construction and manufacturing. Frankonia have a worldwide customer base with their unique products. They tailor to the individual needs to each of their customers.
IAC Acoustics UK Ltd., established in 1949 and headquartered in Chandler's Ford, England, operates as a supplier specializing in engineered noise and acoustic control solutions. The company offers a range of products, including powertrain anechoic chambers, hearing screening booths, standard acoustic booths, industrial acoustic barriers, and industrial absorption panels. These solutions are applied across various sectors, such as aerospace, commercial construction, healthcare, industrial engineering, and transport. The company collaborates with partners including Welan Technologies, IAC Ltd., Panda Medical Limited, Amplivox, and MARVINACUSTICA.
Castle Microwave Limited, founded in 1981 and based in Newbury, England, is an ISO 9001-certified supplier of RF and microwave components, systems, and subsystems. Its products include broadband antennas, coax switches, and vector network analyzers. It also supplies actuators, motors, and resolvers that can be used in extreme environments, ranging from vacuum to the outer space temperatures. The company also sells a range of RF and microwave cables for all applications and markets, including micro coax, RF, and telecom. The company provides several services, including network services like RF conditioning, custom manufacturing, and engineering.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Frankonia Germany EMC Solutions GmbH |
50.0%
|
| 2 | Castle Microwave Limited |
25.0%
|
| 3 | IAC Acoustics |
25.0%
|
Derivation Method
The ranking is calculated based on the click share within the anechoic chamber page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
India
|
6 | 42.9% |
|
United States of America
|
4 | 28.6% |
|
United Kingdom
|
2 | 14.3% |
|
Netherlands
|
1 | 7.1% |
|
Germany
|
1 | 7.1% |
Sonea Latechnology
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Satake Martimics Co., Ltd.
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This is a unit-type anechoic chamber made possible by our unique sound insulation and sound absorption technology, with sound-absorbing wedges inst...
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Keihin Enclosing Co., Ltd.
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■Anechoic chamber/semi-anechoic chamber - A space with no surrounding reflections is called a free sound field, and a space where only the floor is...
Keihin Enclosing Co., Ltd.
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■Anechoic chamber/semi-anechoic chamber - A space with no surrounding reflections is called a free sound field, and a space where only the floor is...
